Walker 924-1408 Spark Plug Wire Set

Walker ThunderCore PRO Spark Plug Wire Set

Walker ThunderCore PRO spark plug wire set 924-1408 is built for select Cadillac applications with OE-style materials and fitment-specific engineering. It is manufactured in the USA in an ISO9001 certified facility and meets or exceeds OEM specifications and test requirements.

Compatible With 1985-1989 Cadillac DeVille, Eldorado, Seville, Fleetwood, Allante, and Commercial Chassis applications listed below, this wire set uses hi-temp silicone boots and tips, stainless steel terminals, and tubes. A packet of dielectric grease is included for service preparation.

Key Features

• Walker ThunderCore PRO product line for ignition wire replacement
• Precision manufactured to OEM-level specifications and test requirements
• Hi-temp OE quality silicone boots and tips
• Stainless steel terminals and tubes for durable electrical connection
• Supplied with dielectric grease
• Made in the USA in an ISO9001 certified facility

Detailed Description

Part number 924-1408 is a spark plug wire set engineered for Cadillac ignition service where OE-style routing, terminal fit, and heat resistance matter. The ThunderCore PRO line focuses on consistent electrical performance and materials that match original equipment expectations. This makes it a direct service option for 1987-1988 Cadillac Allante, Commercial Chassis, DeVille, Eldorado, Fleetwood, and Seville, plus 1989 Cadillac Fleetwood funeral coach and 1985 Cadillac DeVille with steel valve covers.

This part cross-references Gates 6890 for the same application.

Common Problems This Part Can Address

• Misfires caused by worn or heat-damaged plug wires
• Hard starting from poor ignition transfer
• Intermittent spark loss at the plug or coil connection
• Cracked boots, corrosion, or terminal wear
• Rough idle related to degraded ignition wire insulation

Installation Notes and Tips

• Verify engine configuration and valve cover clearance before installation.
• Route each wire to match the original layout and avoid contact with hot or moving components.
• Apply the included dielectric grease at boot interfaces as directed during service.
• Confirm each terminal is fully seated at the spark plug and distributor or coil connection.

Quality Assurance

Walker Products manufactures the ThunderCore PRO line to meet or exceed OEM specifications and test requirements. Production takes place in an ISO9001 certified facility in the USA, with engineering and product management support behind the design.